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LM5954 Fiches technique(PDF) 4 Page - Unisonic Technologies

No de pièce LM5954
Description  HIGH INPUT VOLTAGE, LOW QUIESCENT CURRENT, 300mA LDO REGULATOR
PDF  5 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM5954 Fiches technique(HTML) 4 Page - Unisonic Technologies

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LM5954
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R101-035.a
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.3~+27
V
Feedback Voltage
VFB
-1.5~+27
V
Shutdown Voltage
VSHDN
-0.3~+27
V
Power Dissipation
PD
Internally Limited
W
Junction Temperature
TJ
+125
°C
Storage Temperature
TSTG
-65~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
50
°C/W
Junction to Case
θJC
20
°C/W
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over VIN=VOUT+2.5V, CIN=1µF, COUT=2.2mF,TA=-40°C ~ 85°C.
Typical values refer to TA=25°C.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
VIN
6.5
25
V
Output Voltage Accuracy
VOUT
-2
2
%
Output Voltage Range
3
20
V
IOUT=0.1mA
75
120
140
uA
Quiescent Current
IQ
IOUT=300mA
8
12
22
mA
Load Current Range
IOUT
0
300
mA
Reference Voltage
VREF
-2%
1.235 +2%
V
Line Regulation
ΔVOUT
VOUT+2.5V<VIN<25V, IOUT=1mA
0.1
0.2
%
Load Regulation
ΔVOUT
0.1mA<IOUT<300mA
0.2
0.5
%
IOUT=0.1mA
50
80
150
Dropout Voltage
VD
IOUT=300mA
380
450
600
mV
PROTECTION
Over Temperature Shutdown
OTS
150
°C
Circuit Current Limit
ILIMIT
VIN=VOUT +2.5V
350
400
500
mA
Short Current
ISHORT
VOUT=0V
50
mA
SHUTDOWN
Input High Voltage
2
Input Low Voltage
VEN
0.7
V
EN pin Input Bias Current
IEN
VEN=25V
450
600
μA
Shutdown Supply Current
IQSHDN
EN=High, VIN=19V
0.1
1
mA



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